{"product_id":"ferrea-endurance-dual-valve-spring-kit-honda-acura-k20-kt4003","title":"Ferrea 'Endurance' Dual Valve Spring Kit | Honda\/Acura K20 (KT4003)","description":"\u003ch2 style=\"font-size:1.2rem;\"\u003eFerrea 'Endurance' Dual Valve Spring Kit | Honda\/Acura K20 (KT4003)\u003c\/h2\u003e\u003cp\u003eFerrea Racing part number KT4003 is a performance spring kit for Honda, Acura applications.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMakes\u003c\/th\u003e\n\u003ctd\u003eHonda, Acura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003eK20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eEngine, trim, drivetrain and options can change which part fits, so \u003ca href=\"\/en-ca\/pages\/contact-us\"\u003econtact mobileiGo\u003c\/a\u003e with your VIN if you are unsure.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFerrea Racing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd\u003eKT4003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eCylinder Heads \u0026amp; Valvetrain Components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003ePerformance upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e5.0 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eBefore you buy: valvetrain part tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCamshafts and valve springs are matched; higher-lift cams usually need stronger springs.\u003c\/li\u003e\n\u003cli\u003eValvetrain upgrades often need a tune and careful measurement of clearances.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWill the Ferrea Racing KT4003 fit my vehicle?\u003c\/h3\u003e\u003cp\u003eIt is listed for Honda, Acura applications. Check your engine, trim and options against the fitment table above before ordering.\u003c\/p\u003e\u003ch3\u003eWhat is the part number?\u003c\/h3\u003e\u003cp\u003eThe manufacturer part number is KT4003.\u003c\/p\u003e\u003ch3\u003eDo I need new valve springs with this camshaft?\u003c\/h3\u003e\u003cp\u003eHigher-lift camshafts usually need matching valve springs. Check the camshaft maker's recommendation in the manufacturer description.\u003c\/p\u003e\u003ch3\u003eIs this part new?\u003c\/h3\u003e\u003cp\u003eYes. It is a new part sourced from an authorized distributor.\u003c\/p\u003e\u003ch2\u003eManufacturer description\u003c\/h2\u003e\u003cdiv class=\"tt-mfr\"\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch2\u003eValve Spring Kit for Honda\/Acura K20 Engines by Ferrea\u003c\/h2\u003e\n\u003cp align=\"justify\"\u003eHarmonics or high frequency fatigue is present in all racing engines and will usually destroy the valvetrain if not controlled. Properly designed valve springs will control the dominant harmonics, provide the needed stability, and reduce valvetrain component wear. Ferrea valve springs are developed from high strength alloys, including premium grade chrome silicon steel.\u003c\/p\u003e\n\u003cp align=\"justify\"\u003eOur springs are heat-treated and stress relieved, which dramatically increases the spring’s life. Our valve springs provide the stability needed for high lift, high rpm racing engines, while minimizing the load loss for today€™s aggressive valvetrain combinations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControls Dominant Harmonics\u003c\/li\u003e\n\u003cli\u003eProvides Needed Stability\u003c\/li\u003e\n\u003cli\u003eReduce Valvetrain Component Wear\u003c\/li\u003e\n\u003cli\u003eDeveloped from High Strength Alloys\u003c\/li\u003e\n\u003cli\u003eHeat-Treated and Stress Relieved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHonda\/Acura K20 Engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's In The Box?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e16 - Dual Springs (\u003cspan\u003eS10099\u003c\/span\u003e)\u003c\/li\u003e\n\u003cli\u003e16 - Titanium Retainers (\u003cspan\u003eE11066\u003c\/span\u003e)\u003c\/li\u003e\n\u003cli\u003e16 - Seat Locators (SL1052)\u003c\/li\u003e\n\u003cli\u003e16 - Valve Locks (K10034)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\n\u003cp\u003e\u003cem\u003eFerrea Manufacturer's Warranty\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c!-- tt-ap-content v1 --\u003e","brand":"Ferrea Racing","offers":[{"title":"Default Title","offer_id":67821354844479,"sku":"MAP FER KT4003","price":1064.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1639\/5151\/files\/ferrea-racing-fer-kt4003-30338521759814.webp?v=1792539238","url":"https:\/\/www.mobileigo.com\/en-ca\/products\/ferrea-endurance-dual-valve-spring-kit-honda-acura-k20-kt4003","provider":"mobileiGo.com","version":"1.0","type":"link"}